Datasheet ne5570, sa5570 DATASHEETS (Philips)

Philips Semiconductors Linear Products Product specification

NE/SA5570Brushless DC motor controller

1151

August 31, 1994 853-1135 13721

DESCRIPTION

The NE/SA/SE5570 is a three-phase brushless DC motor controller with a microprocessor-compatible serial input data port; 8-bit monotonic digital-to-analog converter; PWM comparator; oscillator; three Hall sensor inputs and six source/sink phase pre-drivers.

FEATURES

•8-bit DAC

•Serial-to-parallel converter

•Output pre-drivers

•Entire switch mode conversion

•Adaptable to 60° or 120° commutation

•Overcurrent protection

APPLICATIONS

•Motor controller for three-phase brushless DC motor

•Robotics

•Computer peripherals

PIN CONFIGURATION

1 2 3 4 5 6 7 8

9 10 11 12 13

14

24 23 22 21 20 19 18 17 16 15

D1, N Packages

TOP VIEW

NOTE:

1. Available in large SO (SOL) package only.

DATA

CLOCK

CE

RESET

DAC REF

IN

OSC

OUT

Rt/Ct

LOOP FILTER

2

LOOP FILTER

1

FEEDBACK

INV

NON-INV

V

DD

PHASE

1H

PHASE

1L

PHASE

2H

PHASE

2L

PHASE

3H

PHASE

3L

HS

1

HS

2

HS

3

CURRENT

GND

SENSE

ORDERING INFORMATION

DESCRIPTION TEMPERATURE RANGE ORDER CODE DWG #

24-Pin Plastic Dual In-Line Package (DIP) 0 to +70°C NE5570N 0412A 24-Pin Small Outline Large Package (SOL) 0 to +70°C NE5570D 0173D 24-Pin Plastic Dual In-Line Package (DIP) -40°C to +85°C SA5570N 0412A 24-Pin Small Outline Large Package (SOL) -40°C to +85°C SA5570D 0173D 24-Pin Plastic Dual In-Line Package (DIP) -55°C to +125°C SE5570N 0412A

Philips Semiconductors Linear Products Product specification

NE/SA5570Brushless DC motor controller

August 31, 1994

1152

BLOCK DIAGRAM

DAC REGISTER

1

2

3

DATA

CLOCK

CE

DATA REGISTER

MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8 Q9 Q10

D0 D1 D2 D3 D4 D5 D6 D7 D8

LOAD

MR Q0 Q1 Q2 Q3 Q4 Q5 Q6 Q7 Q8

RESET

DAC REF IN

4

5

OSC OUT

6

Rt/Ct

7

SAWTOOTH

GENERATOR

PWM –

LOOP FILTER

8

2

ERROR

AMP

LOOP FILTER

1

9

DAC

S Q

R

CW/CCW

ENABLE

CNTL

D8 LDR

MR Q8

REGISTER

D7 D6 D5 D4 LCTL

Q7 Q6 Q5 Q4

PGO 120

BRAKE CMD

BRAKE ENABLE

LOCK

BRAKE

CYCLE CMD

Q R

S

I SENSE

COMP

– +

OR AMP

HS3 HS2 HS1

15 16 17

DECODE LOGIC

24

13

23

V

DD

PHASE 1H

22

21

20

PHASE 1L

PHASE 2H

PHASE 2L

19

18

PHASE 3H

PHASE 3L

0.5V

14

I SENSE

12

NON INV

INV

11

+

–

FDBK

10

202122232425262

7

GND

ABSOLUTE MAXIMUM RATINGS

RATING

SYMBOL

PARAMETER

NE5570 SA5570 SE5570

UNIT

Temperature range

T

A

Operating ambient 0 to 70 -40 to 85 -55 to 125 °C

T

J

Operating junction -55 to 150 -55 to 150 -55 to 150 °C

T

STG

Storage -65 to 150 -65 to 150 -65 to 150 °C

V

DD

Power supply 16 16 16 V Logic inputs, all -0.3 to 15 -0.3 to 15 -0.3 to 15 V

Philips Semiconductors Linear Products Product specification

NE/SA5570Brushless DC motor controller

August 31, 1994

1153

RECOMMENDED OPERATING CONDITIONS

SYMBOL PARAMETER RATING UNIT

T

A

Ambient temperature range

NE Grade 0 to 70 °C SA Grade -40 to 85 °C SE Grade -55 to 125 °C

T

J

Junction temperature range

NE Grade 0 to 90 °C SA Grade -40 to 105 °C SE Grade -55 to 145 °C

V

DD

Supply voltage 9.6 to 14.4 V

DC ELECTRICAL CHARACTERISTICS

Limits apply at VDD=12V ±10%, V

REF

=5V and over operating temperature range unless otherwise specified. Typical data applies at TA=25°C

SA/NE5570 SE5570

SYMBOL

PARAMETER

TEST CONDITIONS

Min Typ Max Min Typ Max

UNIT

Oscillator

f

O

Frequency initial accuracy TA=25°C, RT=2.49kΩ, CT=22nF 18.5 20 21 18.5 20 21 kHz

f

C

Frequency drift over temp RT=2.49kΩ, CT=22nF 18 22 18 22 kHz Supply voltage sensitivity TA=25°C ±2 ±2 %/V Output pulse width TA=25°C, RT=2.49kΩ, CT=22nF 500 1000 500 1000 ns

Motor Phase Pre-Drivers

t

R

Rise time

RL=2kΩ to Gnd, CL=2nF

[1V to 11V]

500 500 ns

t

F

Fall time

RL=2kΩ to VCC, CL=2nF

[1V to 11V]

500 500 ns

I

SOURCE

VOH=8V 80 80

I

OUT

I

SINK

VOL=3.1V 80 80

mA

I

SOURCE

=5mA 11 11.8 11 11.8

V

OUT

V

OH

I

SOURCE

=80mA (over temp) 8 10 8 10 I

SINK

=5mA 0.4 1 0.4 1

V

OL

I

SINK

=80mA (over temp) 2 3.1 2 3.1

PWM Comparator

I

BIAS

Input bias current 1 1 µA

Current Sense Comparator

I

BIAS

Input bias current 1 1 µA

V

TH

Current sense trip level 350 500 600 350 500 600 mV

t

PD

Propagation delay to output drivers

CL=2nF 250 250 ns

Error Amplifier

I

BIAS

Input bias current 1 1 µA

V

CM

Input common-mode voltage range

0 5 0 5 V

V

OL

Large-signal voltage gain V

OUT

=1V to 11V 70 90 70 90 dB

PSRR Power supply rejection ratio 60 60 dB V

O

Output voltage swing

VIN=+50mV, IL=-150µA V

IN

=-50mV, IL=+150µA

11.5 11.7

0.2

0.5

11.5 11.7

0.2

0.5

V V

DC ELECTRICAL CHARACTERISTICS

(Continued) Limits apply at VDD=12V +10%, V

REF

=5V and over operating temperature range unless otherwise specified. Typical data applies at

T

A

=25°C.

Philips Semiconductors Linear Products Product specification

NE/SA5570Brushless DC motor controller

August 31, 1994

1154

SA/NE5570 SE5570

SYMBOL

PARAMETER

TEST CONDITIONS

Min Typ Max Min Typ Max

UNIT

Operational Amplifier

V

OS

Offset voltage -20 3 +20 -20 3 +20 mV

I

BIAS

Input bias current 1 1 µA

V

CM

Input common-mode voltage range

TA=25°C

Over temp.

-0.3 0

55-0.3

0

5 5

V

OL

Large signal voltage gain V

OUT

=1V to 11V 70 90 70 90 dB

PSRR Power supply rejection ratio 60 90 60 90 dB V

O

Output voltage swing

VIN=+50mV, IL=-150µA V

IN

=-50mV, IL=+150µA

11.5 11.7

0.2

0.5

11.5 11.7

0.2

0.5

V

V CMRR Common-mode rejection ratio RS=10kΩ 60 80 60 80 dB GBW Gain bandwidth RF=100kΩ 250 250 kHz V

NN

Input noise voltage F=1kHz 300 300 nV/√Hz

Digital-to-Analog Converter

Resolution 8 8 bits INL Integral non-linearity error ±1 ±2 ±1 ±2 LSB DNL Differential non-linearity error

1

±0.5 ±1 ±0.5 ±1 LSB

V

FS

Full-scale gain error Error amp. AV=1 ±0.2 ±0.8 ±0.2 ±0.8 %FS

Full-scale temperature drift V

REFTC

=0ppm/°C 20 20 ppm/°C

V

ZS

Zero-scale offset error Error amp. AV=1 ±1 ±2 ±1 ±2 LSB Z

IN

Input impedance

(DAC ref. in)

30 45 60 30 45 60 kΩ

t

S

Settling time to ±0.5 LSB 5 5 µs t

PLH

Propagation delay time (high) Through DAC 200 200 ns t

PHL

Propagation delay time (low) Through DAC 200 200 ns

Logic Inputs

V

IH

Input voltage: TTL high 2.0 12 2.0 12 V V

IL

Input voltage: TTL low 0 0.8 0 0.8 V I

IH

Input current: TTL high ±1 ±1 µA I

IL

Input current: TTL low ±1 ±1 µA

Supply Current

I

DD

1.8 5.0 1.8 5.0 mA

NOTES:

1. Monotonicity guaranteed over operating temperature range.

Philips Semiconductors Linear Products Product specification

NE/SA5570Brushless DC motor controller

August 31, 1994

1155

TYPICAL PERFORMANCE CHARACTERISTICS

RT = 10k R

T

= 20k

R

T

= 100K

RT = 5k R

T

= 3k

R

T

= 2.49k

R

T

= 2k

R

T

= 1k

NE5570 Oscillator Frequency

vs Temperature

Oscillator Frequency

vs R

T

and C

T

NE5570 Oscillator Frequency

vs Supply Voltage

NE5570 Oscillator Output

Pulse Width

NE5570 Op Amp Gain

vs Temperature

NE5570 Current Sense Comparator Threshold

vs Temperature

I

CC

vs V

CC

NE5570 Logic Threshold

Voltage vs Temperature

22.0

21.5

21.0

20.5

20.0

19.5

19.0

18.5

18.0 –60–40 –20 0 20 40 60 80 100 120

TEMP (

o

C)

FREQUENCY (kHz)

VCC = 12V

TA = 25oC

10

1

10

0

10

–1

10

–2

10

–3

10

–4

10

–2

10

–1

10010

1

10

2

10

3

OSCILLATOR FREQUENCY (kHz)

C ( F)

T

µ

T

A

= 55oC

T

A

= +25oC

T

A

= +125oC

5.000

.5000 /div

.0000

9.000 V1 .6000/div (V) 15.00 V

CC

= (V)

I (MA)

CC

2000 1900

1800 1700 1600

1500 1400 1300 1200 1100 1000

–60 –40 –20 0 20 40 60 80 100 120

TEMP (

o

C)

THRESHOLD VOLTAGE (mV)

ON

OFF

VCC = 12V

100

80

60

40

20

0

–60 –40 –20 0 20 40 60 80 100 120

TEMP (

o

C)

GAIN (dB)

VCC = +5V

–60–40 –20 0 20 40 60 80 100 120

TEMP (

o

C)

VCC = 12V

600

500

400

300

200

100

0

CURRENT SENSE THRESHOLD (mV)

15

14

13

12

11

10

9

18 19 20 21 22

FREQUENCY (kHz)

SUPPLY VOLTAGE (V)

TA = 25oC VCC = 12V

–60–40 –20 0 20 40 60 80 100 120

TEMP (

o

C)

800

700

600

500

400

300

200

PULSE WIDTH (ns)